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$580+ Cheap flights from Chiang Mai (CNX) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Chiang Mai to Illinois

Keep the following information in mind while searching for Chiang Mai to Illinois flight deals. Data was last updated March 28, 2025.

Round-trip from

$1,022
(Expedia)

One-way from

$580
(Kiwi.com)
From Chiang Mai to Illinois
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One-way flight from Chiang Mai to Illinois
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Find flight deals from Chiang Mai to Illinois

Cheapest flights from Chiang Mai to Illinois
Explore the most affordable flight options available from Chiang Mai to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Korean Air deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1412:15 amCNX - ORD
1 stop21h 15mKorean Air
Thu 1/1511:25 amORD - CNX
1 stop22h 40mKorean Air
Deal found 3/27$985
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1411:15 pmCNX - ORD
2 stops34h 45mDelta
Mon 11/107:15 amORD - CNX
2 stops26h 50mDelta
Deal found 3/26$989
This Expedia deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2111:35 amCNX - ORD
2 stops30h 05mMultiple Airlines
Sat 10/46:50 pmORD - CNX
2 stops27h 35mMultiple Airlines
Deal found 3/27$1,022
This Justfly.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:35 amCNX - ORD
1 stop21h 10mEVA Air
Thu 11/1311:30 pmORD - CNX
2 stops25h 15mEVA Air
Deal found 3/26$1,089
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1412:15 amCNX - MDW
2 stops34h 32mDelta
Thu 1/156:00 amMDW - CNX
2 stops28h 05mDelta
Deal found 3/27$1,092
This Air Canada deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:40 pmCNX - ORD
2 stops35h 02mAir Canada
Tue 10/79:04 amORD - CNX
2 stops43h 36mAir Canada
Deal found 3/27$1,103
This Gurufare deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1310:30 amCNX - ORD
1 stop39h 55mCathay Pacific
Fri 11/142:40 pmORD - CNX
1 stop30h 10mCathay Pacific
Deal found 3/26$1,176
This Lufthansa deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1311:55 amCNX - ORD
2 stops38h 10mLufthansa
Tue 11/119:25 pmORD - CNX
2 stops34h 00mLufthansa
Deal found 3/26$1,250
This SWISS deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:00 pmCNX - ORD
2 stops55h 55mSWISS
Sun 5/187:05 pmORD - CNX
2 stops30h 40mSWISS
Deal found 3/27$1,454
This Austrian Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:00 pmCNX - ORD
2 stops29h 20mAustrian Airlines
Sun 5/184:20 pmORD - CNX
2 stops40h 10mAustrian Airlines
Deal found 3/27$1,456
This Emirates deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:10 amCNX - ORD
2 stops41h 35mEmirates
Tue 10/78:35 pmORD - CNX
2 stops34h 35mEmirates
Deal found 3/27$1,459
This Turkish Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/68:00 pmCNX - ORD
2 stops49h 40mTurkish Airlines
Mon 5/197:50 pmORD - CNX
2 stops25h 30mTurkish Airlines
Deal found 3/27$1,476

Cheapflights Fare Finder

Customize your flight search to find flights from Chiang Mai to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Chiang Mai to Illinois that are best for you.

Fly from

Chiang Mai

Fly to

Illinois

Route

Depart

Return

Price

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 9/21

11:35 am-5:40 am

2 stops30h 05m

Chicago O'Hare Intl

Sat 10/4

6:50 pm-10:25 am

2 stops27h 35m

$1,022

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 9/22

5:40 pm-4:42 pm

2 stops35h 02m

Chicago O'Hare Intl

Tue 10/7

9:04 am-4:40 pm

2 stops43h 36m

$1,103

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 9/21

11:35 am-8:45 pm

1 stop21h 10m

Chicago O'Hare Intl

Fri 10/3

12:30 am-10:25 am

1 stop21h 55m

$1,168

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 9/21

10:30 am-2:25 pm

1 stop39h 55m

Chicago O'Hare Intl

Sat 10/4

4:00 pm-6:40 pm

1 stop38h 40m

$1,205

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 9/22

11:15 pm-9:30 am

1 stop22h 15m

Chicago O'Hare Intl

Tue 10/7

9:30 am-9:55 pm

2 stops24h 25m

$1,302

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 4/7

11:15 pm-9:40 am

1 stop22h 25m

Chicago O'Hare Intl

Wed 4/23

7:50 am-9:55 pm

2 stops26h 05m

$1,368

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Wed 5/7

8:00 pm-3:55 pm

2 stops55h 55m

Chicago O'Hare Intl

Sun 5/18

7:05 pm-1:45 pm

2 stops30h 40m

$1,454

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Thu 5/8

8:00 pm-1:20 pm

2 stops29h 20m

Chicago O'Hare Intl

Sun 5/18

4:20 pm-8:30 pm

2 stops40h 10m

$1,456

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Thu 9/18

10:10 am-3:45 pm

2 stops41h 35m

Chicago O'Hare Intl

Tue 10/7

8:35 pm-7:10 pm

2 stops34h 35m

$1,459

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 5/6

8:00 pm-9:40 am

2 stops49h 40m

Chicago O'Hare Intl

Mon 5/19

7:50 pm-9:20 am

2 stops25h 30m

$1,476

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 22 results
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Best time to book a flight from Chiang Mai to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Chiang Mai with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chiang Mai to Illinois

What is the cheapest month to book a flight from Chiang Mai to Illinois?

Currently, August is the cheapest month in which you can book a flight from Chiang Mai to Illinois (average of $245). Flying from Chiang Mai to Illinois in March is currently the most expensive (average of $323). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated March 28, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and Asiana Airlines from Chiang Mai to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,169 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,050 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Asiana Airlines
8.2
Very good
440 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Emirates
8.0
Very good
3,190 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Delta
8.0
Very good
7,896 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Chiang Mai to Illinois?

    Chiang Mai (CNX) is the airport you will fly out of if you book a flight from Chiang Mai to Illinois. It is only a 1.9 mi journey to Chiang Mai (CNX) from Chiang Mai’s city center.

  • What are the cheapest airlines to fly from Chiang Mai to Illinois one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $708. Cathay Pacific flights start at $744 while deals on Korean Air start at $1,032 one-way.

  • Can I find deals for flights from Chiang Mai to Illinois that include hotel bookings?

    Yes. In addition to deals on Chiang Mai to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chiang Mai to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Illinois.

  • Can I find deals for business class flights from Chiang Mai to Illinois?

    Yes. Cheapflights offers flight deals from Chiang Mai to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chiang Mai to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Chiang Mai to Illinois (average of $245). Flying from Chiang Mai to Illinois in March is currently the most expensive (average of $323). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Chiang Mai to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Chiang Mai to Illinois

Discover the top airline that operate flights from Chiang Mai to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$986Average$1,030FlexibilityNo cancel feeOn-time74%
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